linux-kernel - Re: spi: imx: Increase imx51 ecspi burst length fails on imx6dl and imx8mm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <dcf860a796c228920a79b62417f7cf6c@mail.infomaniak.com>
Date:   Wed, 22 Nov 2023 14:26:38 +0100
From:   linux@...ler.io
To:     Stefan Moring <stefan.moring@...hnolution.nl>
Cc:     Thorsten Leemhuis <regressions@...mhuis.info>,
        Linux regressions mailing list <regressions@...ts.linux.dev>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, Francesco Dolcini <francesco@...cini.it>
Subject: Re: spi: imx: Increase imx51 ecspi burst length fails on imx6dl and
 imx8mm

Hi 

i did now  my test with the latest imx-sdma  firmware 4.6 from NXP
https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.18.bin
There is no improvement.
What is the HW that you use? What type of imx8?

Regards Stefan Bigler

Am 2023-11-21T11:34:26.000+01:00 hat  <linux@...ler.io> geschrieben:
>  Hi
> 
> At least in my test-case the  commit is NOT introducing this regression, because the bits_per_word is 8, so the result is the same
> spi: imx: Take in account bits per word instead of assuming 8-bits
> 5f66db08cbd3ca471c66bacb0282902c79db9274
> 
> I do not have the latest  mx-sdma firmware can you tell me where I get it. On 
> https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/imx/sdma
> the latest I found was 4.5
> 
> I tried to debug the code but it's hard vor me to understand where the problem could be.
> I saw then I disable the dma with set
> 
> imx51_ecspi_devtype_data {
> .has_dmamode = false,
> }
> the SPI is working fine.
> 
> Should I do some more tests, do some loggings.. 
> Please let me know
> 
> Regards 
> Stefan Bigler